Update CHANGELOG.md

Author: photonstorm

CHANGELOG.md

@@ -346,6 +346,7 @@ The Animation API has had a significant overhaul to improve playback handling. I
 * The `GridAlign` action didn't work if only the `height` parameter was set. Fix #5019 (thanks @halilcakar)
 * The `Color.HSVToRGB` function has been rewritten to use the HSL and HSV formula from Wikipedia, giving much better results. Fix #5089 (thanks @DiamondeX)
 * Previously, the `easeParams` array within a Tweens `props` object, or a multi-object tween, were ignored and it was only used if set on the root Tween object. It will now work correctly set at any depth. Fix #4292 (thanks @willblackmore)
+* When using `Camera.setRenderToTexture` its `zoom` value would be applied twice. Fix #4221 (thanks @wayfu)
 
 ### Examples, Documentation and TypeScript